{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T08:49:13Z","timestamp":1782895753105,"version":"3.54.5"},"reference-count":110,"publisher":"European Respiratory Society (ERS)","issue":"181","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["publications.ersnet.org"],"crossmark-restriction":true},"short-container-title":["Eur Respir Rev"],"accepted":{"date-parts":[[2026,4,28]]},"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:p>\n                    The management of respiratory failure often necessitates the use of supplemental oxygen and mechanical ventilation, both crucial interventions in critical care. However, this combination of hyperoxia (defined as exposure to supra-atmospheric levels of oxygen) and mechanical ventilation can lead to significant additional lung injury. The aim of this review is to synthesise current evidence defining how hyperoxia primes the adult lung for increased susceptibility to the development of lung injury during mechanical ventilation and to contextualise these mechanisms within contemporary clinical research and practice. We review experimental and translational studies elucidating the interplay between oxidative stress, cytoskeletal remodelling, inflammation, and alveolar\u2013capillary barrier dysfunction, highlighting how these processes initiate or amplify pre-existing lung injury. We also examine current approaches to oxygen therapy, both as a standalone intervention and in the context of ventilator management. While the injurious role of hyperoxia in animal models is highly consistent and reproducible, clinical trials have been less consistent in directly linking hyperoxia exposure to increased patient mortality. Although clinical trials comparing liberal\n                    <jats:italic>versus<\/jats:italic>\n                    conservative oxygen strategies have yielded conflicting results over decades, emerging mechanistic insights from pre-clinical models may help identify patient subpopulations at greatest risk for hyperoxia-associated lung injury. By integrating evidence from basic science and clinical studies, this review underscores the importance of judicious oxygen titration to mitigate iatrogenic lung injury and optimise outcomes in critically ill patients.\n                  <\/jats:p>","DOI":"10.1183\/16000617.0058-2026","type":"journal-article","created":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T08:32:59Z","timestamp":1782894779000},"page":"260058","update-policy":"https:\/\/doi.org\/10.1183\/ers-crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Bench evidence, bedside uncertainty: hyperoxia, mechanical ventilation and lung injury"],"prefix":"10.1183","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8766-2319","authenticated-orcid":false,"given":"Emily E.","family":"Nadeau","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas","family":"Schwingshackl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jamie L.","family":"Sturgill","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6706-1284","authenticated-orcid":false,"given":"Christopher M.","family":"Waters","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"81","published-online":{"date-parts":[[2026,7,1]]},"reference":[{"key":"2026070101300787000_35.181.260058.1","doi-asserted-by":"crossref","first-page":"1568","DOI":"10.1001\/jamainternmed.2019.3842","article-title":"2019 update on medical overuse: a review","volume":"179","author":"Morgan","year":"2019","journal-title":"JAMA Intern Med"},{"key":"2026070101300787000_35.181.260058.2","doi-asserted-by":"crossref","first-page":"616","DOI":"10.1111\/crj.12571","article-title":"A wolf in sheep's clothing? 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